What will cause a backpack sitting on the floor of the school bus to suddenly fly forward

Answers

Answer 1

Answer: The answer is newton's laws of gravity

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Which of the following would not make a good insulator* rubber
*plastic
*wood
*metal

Answers

mabey its only rubber

State the objects in the universe that reflect light from stars

Answers

Everything in the universe that is not a star reflects light from Stars. Otherwise you can't see it.

Life is hard with 2 sisters and 1 brother cleaning up wood chips how to stop the fighting between them without getting into it.

Answers

just take one for the team call them a name they will case you there now there not fighting :)

Just ask us not to fight I will listen to u u r amazing :)

a baseball bat is in contact with a ball for 0.02 seconds, and exerts a force of 400 newtons. what is the impulse on the ball?

Answers

Answer:

I=8 Nw.s

Explanation:

Impulse

It is a physical magnitude that measures the force applied to an object by the time that force is acting. It produces a change in the momentum of the object, which is expressed in the following formula

$I=\Delta p=m(v_2-v_1)=F.t$

We know the bat applies a force on the ball of F=400 N during t=0.02 sec, thus the impulse is

$I=(400) (0.02)=8\ Nw.s$

$\boxed{I=8\ Nw.s}$

Where there any mammal dinosaurs

Answers

I believe that the first mammals came after the dinosaurs died

No they were absolutely none of them died off before the first memo was born

Study the image of a seismic graph.Graph of P & S Wave Travel Times, showing Travel time in minutes across distance in kilometers for P and S waves. S wave starts at zero kilometers, zero minutes, and increases to 10,000 kilometers, 25 minutes. P wave starts at zero kilometers, zero minutes and increases to 10,000 kilometers, 13 minutes.

About how far does the S wave travel through Earth in 13 minutes?

2,000 km
4,000 km
6,000 km
8,000 km

Answers

Answer:

It is B. 4,000

Explanation:

I just took the quiz on edge2020

Answer:

Explanation:

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If you rub a balloon on a piece of fabric or carpeting and then hold it against your head, your hair can stand on end. Why does this happen?